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2026-03-17 - 21:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Mar 17, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9686212463,6sleep10-21swapper/107:06:251
9686212463,6sleep10-21swapper/107:06:251
98442120111,6sleep20-21swapper/207:08:262
98442120111,6sleep20-21swapper/207:08:262
9912211373,9sleep30-21swapper/307:09:213
9912211373,9sleep30-21swapper/307:09:203
9842210999,7sleep00-21swapper/007:08:240
9842210999,7sleep00-21swapper/007:08:240
179862640,1sleep117991-21kthreadcore09:35:171
74652610,0sleep00-21swapper/012:20:120
191692550,0sleep119174-21kthreadcore10:35:171
49592510,1sleep010-21rcuc/008:55:200
1014199330,32cyclictest0-21swapper/209:30:122
1014199281,3cyclictest0-21swapper/211:51:092
10141992717,8cyclictest749-21snmpd10:21:542
1014199270,26cyclictest0-21swapper/211:10:452
1014199270,25cyclictest23092-21ntp_states12:30:232
10141992618,7cyclictest749-21snmpd08:21:202
10141992617,7cyclictest749-21snmpd10:35:222
10141992616,8cyclictest749-21snmpd12:25:502
10141992616,7cyclictest749-21snmpd09:40:482
1014199261,23cyclictest0-21swapper/207:15:022
1014199260,25cyclictest0-21swapper/211:22:132
1014199260,25cyclictest0-21swapper/208:15:452
1014199260,25cyclictest0-21swapper/207:55:162
10136992622,3cyclictest0-21swapper/112:22:171
1013299260,25cyclictest0-21swapper/009:14:090
10141992523,2cyclictest0-21swapper/208:46:592
10141992518,7cyclictest0-21swapper/211:46:282
10141992518,4cyclictest749-21snmpd11:59:462
10141992516,8cyclictest749-21snmpd10:46:002
10141992516,8cyclictest749-21snmpd09:08:422
1014199250,14cyclictest0-21swapper/210:00:102
10136992523,2cyclictest0-21swapper/112:32:321
1013699250,24cyclictest0-21swapper/111:28:071
1014199242,21cyclictest0-21swapper/210:14:042
10141992418,5cyclictest749-21snmpd08:07:592
10141992417,6cyclictest749-21snmpd10:40:402
10141992417,6cyclictest749-21snmpd08:34:062
10141992416,7cyclictest0-21swapper/209:26:092
10141992414,2cyclictest749-21snmpd09:14:482
10141992414,2cyclictest749-21snmpd08:39:172
10136992421,3cyclictest0-21swapper/111:14:331
10136992421,3cyclictest0-21swapper/108:50:441
10136992421,3cyclictest0-21swapper/107:48:021
1013699240,23cyclictest0-21swapper/110:17:301
1013699240,23cyclictest0-21swapper/107:13:351
10141992316,6cyclictest749-21snmpd12:09:072
10141992316,6cyclictest749-21snmpd10:27:012
10136992319,3cyclictest0-21swapper/108:30:381
1013699230,22cyclictest0-21swapper/107:54:411
1013699230,21cyclictest0-21swapper/109:02:121
10141992219,3cyclictest0-21swapper/208:58:152
10141992218,3cyclictest0-21swapper/207:45:202
1014199221,20cyclictest0-21swapper/212:23:532
1014199221,20cyclictest0-21swapper/208:44:272
1014199220,21cyclictest0-21swapper/209:56:322
1014199220,21cyclictest0-21swapper/209:47:012
1014199220,16cyclictest0-21swapper/210:55:232
1014199220,12cyclictest0-21swapper/211:00:542
10136992220,2cyclictest0-21swapper/109:15:121
10136992220,2cyclictest0-21swapper/108:57:141
10136992219,3cyclictest0-21swapper/112:27:531
1013699221,20cyclictest0-21swapper/108:10:141
1013699220,21cyclictest0-21swapper/112:13:401
1013699220,21cyclictest0-21swapper/112:08:041
1013699220,21cyclictest0-21swapper/112:04:211
1013699220,21cyclictest0-21swapper/111:42:431
1013699220,21cyclictest0-21swapper/111:07:131
1013699220,21cyclictest0-21swapper/110:52:551
1013699220,21cyclictest0-21swapper/110:24:011
1013699220,21cyclictest0-21swapper/110:13:191
1013699220,21cyclictest0-21swapper/110:02:301
1013699220,21cyclictest0-21swapper/109:52:571
1013699220,21cyclictest0-21swapper/108:02:031
1013699220,21cyclictest0-21swapper/107:57:531
1013699220,21cyclictest0-21swapper/107:15:411
1013699220,20cyclictest0-21swapper/107:25:141
1013299220,16cyclictest0-21swapper/008:30:380
1014199212,18cyclictest0-21swapper/211:40:232
1014199212,18cyclictest0-21swapper/210:06:302
1014199212,14cyclictest0-21swapper/210:30:102
10141992119,1cyclictest749-21snmpd09:35:402
10141992118,1cyclictest749-21snmpd08:01:382
10141992115,5cyclictest749-21snmpd12:00:462
10141992114,1cyclictest749-21snmpd08:12:202
1014199211,15cyclictest0-21swapper/211:25:442
1014199211,14cyclictest0-21swapper/210:15:452
1014199210,15cyclictest0-21swapper/212:13:592
1014199210,14cyclictest0-21swapper/212:15:152
1014199210,11cyclictest0-21swapper/207:25:242
10136992117,3cyclictest0-21swapper/112:35:111
10136992117,3cyclictest0-21swapper/109:27:451
10136992117,3cyclictest0-21swapper/108:20:021
1013699210,2cyclictest0-21swapper/110:41:151
1013699210,2cyclictest0-21swapper/109:55:161
1013699210,2cyclictest0-21swapper/109:32:161
1013699210,2cyclictest0-21swapper/109:11:481
1013699210,20cyclictest0-21swapper/112:17:161
1013699210,20cyclictest0-21swapper/111:55:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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